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Std ID Description (Standard Title)
JB/T 8247.1-1999 Photographic distance scale markings of photographic lenses
JB/T 8247.2-1995 (Camera lens aperture mark)
JB/T 8247.2-1999 Aperture markings of photographic lenses
JB/T 8248.1-1995 (Photographic lens spectral transmittance ratio measurement method)
JB/T 8248.1-1999 Method for determining the spectral transmissivity of camera lenses
JB/T 8248.2-1995 (Measurement methods photographic lens effective aperture and relative aperture)
JB/T 8248.2-1999 Method for measurement for effective aperture and relative aperture of camera lenses
JB/T 8248.3-1995 (Uniformity coefficient photographic lens vignetting and image plane illuminance measurement method)
JB/T 8248.3-1999 Method for measuring the coefficient of vignetting and uniformity of image plane illuminance
JB/T 8248.4-1995 (Photographic lens flare coefficient measurement method)
JB/T 8248.4-1999 Method for measuring the veiling glare index of photographic lenses
JB/T 8248.5-1995 (Camera lens focal length measurement method)
JB/T 8248.5-1999 Method for measuring the focal length of camera lenses
JB/T 8248.6-1995 (Camera Lens Camera resolution measurement method)
JB/T 8248.6-1999 Method for determining the photographic resolving power of camera lenses
JB/T 8249.1-1995 (Camera frame size)
JB/T 8249.1-1999 Picture sizes for still cameras
JB/T 8249.1-2016 (General requirements for cameras - Part 1: Frame size)
JB/T 8249.2-1995 (Camera tripod connection thread)
JB/T 8249.2-1999 Tripod connections for cameras
JB/T 8249.2-2016 (General requirements for cameras - Part 2: Tripod connection threads)
JB/T 8249.3-1995 (The camera and the fast lane fast lane connector seat)
JB/T 8249.3-1999 Shutter cable release tip and socket for cameras
JB/T 8249.3-2016 (General requirements for cameras - Part 3: Fast connector and quick - line)
JB/T 8249.4-1995 (Camera accessory socket and socket core)
JB/T 8249.4-1999 Camera accessory shoes and feet
JB/T 8249.4-2016 (General requirements for cameras - Part 4: Accessories socket)
JB/T 8249.5-1995 (Camera Flash plug and socket sizes)
JB/T 8249.5-1999 Small flash connections for hand-held cameras. Dimensions
JB/T 8249.5-2016 (General requirements for cameras - Part 5: Flash plug and socket dimensions)
JB/T 8249.6-1995 (Camera rear window position and size)
JB/T 8249.6-1999 Back window location and sizes for cameras
JB/T 8249.7-1995 (Automatic exposure control camera)
JB/T 8249.7-1999 Automatic controls of exposure for cameras
JB/T 8249.8-1995 (Camera with fonts and symbols)
JB/T 8250.1-1995 (Chinese Industry Standard)
JB/T 8250.1-1999 Test methods for time of camera shutters
JB/T 8250.2-1995 (Chinese Industry Standard)
JB/T 8250.2-1999 Test method for efficiency of contacts and contact duration
JB/T 8250.3-1995 (Camera durability requirements and test methods)
JB/T 8250.4-1995 (Chinese Industry Standard)
JB/T 8250.4-1999 Free fall-down test method for cameras
JB/T 8250.5-1995 (Chinese Industry Standard)
JB/T 8250.5-1999 High-temperature and low-temperature test method for cameras
JB/T 8250.6-1995 (Chinese Industry Standard)
JB/T 8250.6-1999 Vibration test method for cameras
JB/T 8250.7-1995 (Chinese Industry Standard)
JB/T 8250.7-1999 Condition and test method for pack, transport and storage of photographic apparatus
JB/T 8250.8-1995 (Chinese Industry Standard)
JB/T 8250.8-1999 Shock test method for cameras
JB/T 8250.9-1995 (Chinese Industry Standard)
JB/T 8250.9-1999 Bump test method for cameras
JB/T 8251-1995 (Chinese Industry Standard)
JB/T 8251-1999 Colour contribution index of camera lenses
JB/T 8252-1995 (Chinese Industry Standard)
JB/T 8252-1999 Front lens barrels up to 100mm. Dimensions important to the connection of auxiliaries
JB/T 8253-1995 (Chinese Industry Standard)
JB/T 8253-1999 Specification for 135-size film magazines
JB/T 8254-1995 (Chinese Industry Standard)
JB/T 8254-1999 General purpose photoelectric exposure meters
JB/T 8255-1995 (Chinese Industry Standard)
JB/T 8255-1999 Optical filters for photographic equipment dimensions
JB/T 8256.1-1995 (Chinese Industry Standard)
JB/T 8256.1-1999 Specifications of reader lenses for transparent microforms
JB/T 8256.2-1995 (Chinese Industry Standard)
JB/T 8256.2-1999 Specifications of test film for readers of transparent microforms
JB/T 8256.3-1995 (Transparent microform reader screen brightness and contrast test methods)
JB/T 8257-1995 (Chinese Industry Standard)
JB/T 8257-1999 Specifications for microphotographic lenses
JB/T 8258-1995 (North photographic lens resolution test chart)
JB/T 8259.1-1995 (Chinese Industry Standard)
JB/T 8259.1-1998 Overhead projectors-projection stages dimensions
JB/T 8259.1-2014 Overhead projectors. Part 1: Film rolls, cores and winders. Dimensions
JB/T 8259.2-1995 (Chinese Industry Standard)
JB/T 8259.2-2000 Overhead projectors-transparencies and transparency frames. Dimensions
JB/T 8259.2-2014 Overhead projectors. Part 2: Transparencies and transparency frames. Dimensions
JB/T 8259.3-1995 (Chinese Industry Standard)
JB/T 8259.3-1999 Overhead projectors film rolls, cores and winders dimensions
JB/T 8260.1-1995 (Chinese Industry Standard)
JB/T 8260.1-1999 Photographic colour filters
JB/T 8260.2-1995 (Chinese Industry Standard)
JB/T 8260.2-1999 General specification for photographic glass filters
JB/T 8260.3-1995 (Chinese Industry Standard)
JB/T 8260.3-1999 Photographic light-balancing glass filters
JB/T 8260.4-1995 (Chinese Industry Standard)
JB/T 8260.4-1999 Photographic neutral-density glass filters
JB/T 8261-1995 (Chinese Industry Standard)
JB/T 8261-1999 The screening and non-uniformity of image density test chart for electrostatic copying process A3
JB/T 8261-2015 Test chart (A3) for screen and density inhomogeneity of electrostatic copy
JB/T 8262.1-1995 (Chinese Industry Standard)
JB/T 8262.1-1999 Measuring method for caking temperature of day electrostatic copying toner
JB/T 8262.1-2013 Electrostatic dry toner. Part 1: Test method for caking temperature
JB/T 8262.2-1995 (Chinese Industry Standard)
JB/T 8262.2-1999 Measuring method for charge-to-mass ratio of dry electrostatic toner
JB/T 8262.2-2013 Electrostatic dry toner. Part 2: Test method for charge-to-mass
JB/T 8262.3-1995 (Chinese Industry Standard)
JB/T 8262.3-1999 Measuring method for water content of dry electrostatic toner
JB/T 8262.3-2013 Electrostatic dry toner. Part 3: Test method for water content
JB/T 8262.4-1995 (Chinese Industry Standard)
JB/T 8262.4-1999 Standard test method for particle size measurement of dry toners